diff --git a/paimon-core/src/main/java/org/apache/paimon/table/source/snapshot/SnapshotReaderImpl.java b/paimon-core/src/main/java/org/apache/paimon/table/source/snapshot/SnapshotReaderImpl.java
index 5371e584d57ff..fe7f043363c8e 100644
--- a/paimon-core/src/main/java/org/apache/paimon/table/source/snapshot/SnapshotReaderImpl.java
+++ b/paimon-core/src/main/java/org/apache/paimon/table/source/snapshot/SnapshotReaderImpl.java
@@ -365,6 +365,10 @@ public List<BucketEntry> bucketEntries() {
 
     @Override
     public long rowCount() {
+        if (!tableSchema.primaryKeys().isEmpty() || deletionVectors) {
+            throw new UnsupportedOperationException(
+                    "Unsupported short path for primary key table and deletion vectors table");
+        }
         return scan.rowCount();
     }